In the balmy tropical Atlantic, everything from dolphins, manatees and whale sharks to sunbathing jellyfish thrive in the Caribbean's warm, sheltered waters, fringed with coral reefs and rich mangrove forests. But extreme heat in Africa unleashes terrifying hurricanes, causing chaos across the region.
Why are vultures bald? Why do some orangutans have big cheeks? And if giraffes have long necks to help them reach the highest leaves, why do they mostly eat low-lying shrubs? Embark on a whirlwind tour around the world as we explore some of nature's most-fascinating evolutionary wonders.
For many animals, group living offers protection, better food, and more social opportunities. For their young, it's a valuable education. From flamboyant flamingo mating dances, to elephant calves growing up under the watchful eye of the group matriarch, peer into some of nature's most tight-knit social groups.
Many of the great rivers of southern Africa start high up in mountain ranges, power their way eastwards across wild forests and grasslands, and eventually empty out into the Indian Ocean. Ride the currents of these powerful bodies of water as they reshape the lives of the wild animals who rely on them.
Using a specially designed hive, with a formidable arsenal of cutting-edge technology to monitor the bees, we enter the bees' miniature world. Chris and Martha also put to the test the very latest scientific findings about bees, to discover why they are one of the most incredible creatures on our planet.